Kohada donburi is a comforting and satisfying rice bowl dish that features gizzard shad as the main ingredient. To make kohada donburi, you will need the following ingredients: fresh kohada fillets, sushi rice, soy sauce, mirin, sugar, ginger, green onions, and sesame seeds. Start by cooking the sushi rice according to the package instructions. While the rice is cooking, prepare the sauce by combining soy sauce, mirin, sugar, and grated ginger in a small saucepan. Heat the sauce over medium heat until the sugar has dissolved. Set the sauce aside. Next, slice the kohada fillets into thin strips. Once the rice is cooked, divide it into bowls and top with the sliced kohada. Drizzle the sauce over the rice and fish, and garnish with chopped green onions and sesame seeds. Kohada donburi is a delicious and comforting dish that highlights the flavors of gizzard shad.